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- Language: английский
- Year: 2007
- Author: Walter Leszl
- Language: Italian
- Year: 2009
- Author: Alfredo Cadonna
- Language: Italian
- Year: 2001
- Author: Cairoli Fulvio Giuliani Patrizia Verduchi
- Language: Italian
- Year: 1987
- Author: Ronnie Ferguson
- Language: English
- Year: 2007
- Author: Ferguson Ronnie
- Language: English
- Year: 2007
- Author: Claudia Ruggiero Corradini
- Language: Italian
- Year: 1989
- Author: Theokritos Kouremenos George M. Parássoglou Kyriakos Tsantsanoglou
- Language: English
- Year: 2006